Home / 135,606.76-187,132.26-75,986.92

Finding the Fourth Proportional to 135,606.76, 187,132.26 and 75,986.92

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Solution

The fourth proportional to 135,606.76, 187,132.26 and 75,986.92 is: 104,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,606.76 : 187,132.26 = 75,986.92 : x
  2. Step 2: Convert to fraction form
    135,606.76/187,132.26 = 75,986.92/x
  3. Step 3: Cross multiply
    135,606.76x = 187,132.26 × 75,986.92
  4. Step 4: Simplify right side
    135,606.76x = 14,219,604,070.04
  5. Step 5: Solve for x
    x = 14,219,604,070.04/135,606.76
  6. Step 6: Final answer
    x = 104,859.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.